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Finding the Fourth Proportional to 526,161.40, 788,996.74 and 273,373.93

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Solution

The fourth proportional to 526,161.40, 788,996.74 and 273,373.93 is: 409,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,161.40 : 788,996.74 = 273,373.93 : x
  2. Step 2: Convert to fraction form
    526,161.40/788,996.74 = 273,373.93/x
  3. Step 3: Cross multiply
    526,161.40x = 788,996.74 × 273,373.93
  4. Step 4: Simplify right side
    526,161.40x = 215,691,136,915.06
  5. Step 5: Solve for x
    x = 215,691,136,915.06/526,161.40
  6. Step 6: Final answer
    x = 409,933.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.